function trim(szWhat) {
		return(szWhat.replace(/^\s*|\s*$/g, ""));
	}


function onShopSelect(selid){
	sklepform.action="/plan/default.asp";
	sklepform.submit();
}

		function validateNewsletterStep1(){
			var email = document.getElementById('email').value;
			if (isEmail(email)){
				form1.action="/formularze/newsletter_form2.asp?email="+email;
				return (true);
			}
			else{
				alert('Proszę wprowadzić poprawny adres email !');
				return (false);
			}
			
		}
		
	function isEmail (emailStr) {
		var checkTLD=1;
		var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
		var emailPat=/^(.+)@(.+)$/;
		var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
		var validChars="\[^\\s" + specialChars + "\]";
		var quotedUser="(\"[^\"]*\")";
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
		var atom=validChars + '+';
		var word="(" + atom + "|" + quotedUser + ")";
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
		var matchArray=emailStr.match(emailPat);
		
		if (matchArray==null) {
			return false;
		}
		var user=matchArray[1];
		var domain=matchArray[2];
		
		
		for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			return false;
		   }
		}
		for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			return false;
		   }
		}
		
		if (user.match(userPat)==null) {
		return false;
		}
		
		var IPArray=domain.match(ipDomainPat);
		if (IPArray!=null) {
		
		
		
		for (var i=1;i<=4;i++) {
		if (IPArray[i]>255) {
			return false;
		   }
		}
		return true;
	}

 
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
	if (domArr[i].search(atomPat)==-1) {
		return false;
	}
	}


	if (checkTLD && domArr[domArr.length-1].length!=2 && 
	domArr[domArr.length-1].search(knownDomsPat)==-1) {
	return false;
	}


	if (len<2) {
	return false;
	}

	return true;
	}